[Q] Can't enter download or recovery mode

What I have in my hands is a I9000 that doesn't open since it's locked.Actually when my brother found it, someone had already tried all possible patternt codes and now it asks for the email of the owner to unlock it...Since I can't find him I'm trying to hard reset it but I can't.No combination works when it's off...Either to put it to download mode and flash through odin or in recovery mode to select to wipe all...

Judging from the statusbar it must be running 2.1 or 2.2...Got any ideas?

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